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7628760 |
Circulation monitoring system and method
A lightweight portable probe or transducer containing a transmissive or reflective electro-optical emitter and receptor in the infrared spectrum is fitted on a subject's finger or toe. Associated...
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7613490 |
Physiological stress detector device and system
A method, system and device for measurement of a blood constituent level, including a light source, a light detector proximate an organ surface, adjustable gain amplifiers, and a...
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7611470 |
Measurement of cardiac output and blood volume by non-invasive detection of indicator dilution
A system for evaluating the cardiovascular system parameters using indicator dilution and non-invasive or minimally invasive detection methods is disclosed. Intravascular indicators are stimulated,...
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7606607 |
Physiological stress detector device and system
A method, system and device for measurement of a blood constituent level, including a light source, a light detector proximate an organ surface, adjustable gain amplifiers, and a...
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7603152 |
Physiological stress detector device and system
A method, system and device for measurement of a blood constituent level, including a light source, a light detector proximate an organ surface, adjustable gain amplifiers, and a...
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7590438 |
Physiological stress detector device and system
A method, system and device for measurement of a blood constituent level, including a light source, a light detector proximate an organ surface, adjustable gain amplifiers, and a...
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7534212 |
Pulse oximeter with alternate heart-rate determination
A pulse oximeter which determines multiple heart rates, and selects between them based on the metrics of only one of the heart rate calculations. A primary heart rate calculation method is...
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7536214 |
Dynamic StO2 measurements and analysis
A method of analyzing a patient's tissue oxygenation capabilities includes measuring a tissue chromophore whose light absorption properties depend on the oxygenation state of the tissue and...
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7526327 |
Instrument having optical device measuring a physiological quantity and means for transmitting and/or receiving data
There is disclosed a portable instrument including an optical device ( 4; 5; 6 ) for measuring a physiological quantity, particularly the heart rhythm, and data emission and/or reception means, the...
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7499739 |
Single use pulse oximeter
A single use, self-contained, self-powered disposable oximeter, in the form of a patch or a bandage strip, has mounted thereto a light emitter and a light sensor that together measure at least the...
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7467002 |
Sine saturation transform
A transform for determining a physiological measurement is disclosed. The transform determines a basis function index from a physiological signal obtained through a physiological sensor. A basis...
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7398115 |
Pulse oximetry relational alarm system for early recognition of instability and catastrophic occurrences
A relational pulse oximetry alarm system and method is presented for earlier identification of the occurrence of an adverse clinical event. The system includes a pulse oximeter based microprocessor...
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7392075 |
Method for enhancing pulse oximetry calculations in the presence of correlated artifacts
A method for determining a physiological parameter in the presence of correlated artifact, including obtaining two digital waveforms, x and y, the waveforms being representative of the absorption...
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7387608 |
Apparatus and method for the treatment of sleep related disorders
An apparatus to detect the onset of sleep apnea, and to provide an automated way to awaken the sleeping patient at the onset of sleep apnea. The apparatus may also contain a recording device or...
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7373194 |
Signal component processor
A signal processor generates basis functions and identifies at least one basis function component of a sensor signal in order to calculate a physiological measurement. The signal processor is...
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7373193 |
Pulse oximetry data capture system
A data capture system utilizes a sensor with emitters adapted to transmit light into a fleshy medium and a detector adapted to generate intensity signals in response to receiving light after...
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7343187 |
Blind source separation of pulse oximetry signals
A method and apparatus for the application of Blind Source Separation (BSS), specifically independent Component Analysis (ICA) to mixture signals obtained by a pulse oximeter sensor. In pulse...
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7315753 |
Pulse oximeter with parallel saturation calculation modules
A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take...
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7305262 |
Apparatus and method for acquiring oximetry and electrocardiogram signals
A method and apparatus for acquiring pulse oximetry and electrocardiogram signals from an appendage of a patient. The apparatus can include a substrate that can be attached to the appendage of the...
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7292883 |
Physiological assessment system
A physiological assessment system comprises a sensor and first and second processors. The sensor is adapted to generate a signal responsive to a living organism. The first processor is configured...
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7248910 |
Physiological parameter monitoring system and sensor assembly for same
A detachable sensor assembly for use in monitoring a physiological parameter of a subject includes an information containing circuit and a timer. The sensor assembly stores time varying information...
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7238159 |
Device, system and method for monitoring vital signs
A monitoring device, method and system are disclosed herein. The monitoring device is capable of determine when a user's wrist is at rest using a motion sensor disposed within a wrist module that...
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7212847 |
Delta-sigma modulator for outputting analog representation of physiological signal
A method and apparatus for providing a substantially real-time representation of an analog representation of a physiological signal is provided. The waveform signal from the sensor is converted...
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7209780 |
System and a computer program for the determination of quantities relating to the circulatory system of a patient
A system for the determination of quantifies relating to the circulatory system of a patient including a device for the non-invasive measurement of the qualitative variation over time of the local...
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7209774 |
Pulse oximeter with separate ensemble averaging for oxygen saturation and heart rate
The use of two separate ensemble averagers for processing a detected waveform for use in calculating oxygen saturation and a pulse rate. The ensemble averager used for calculating oxygen saturation...
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7209775 |
Ear type apparatus for measuring a bio signal and measuring method therefor
An apparatus for measuring a bio signal including a bio signal measurement unit, which is insertable into an ear to be in close contact with an internal surface of the ear, the bio signal...
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7181260 |
Apparatus and method for measuring myocardial oxygen consumption
Disclosed is a pulmonary artery catheter (“PAC”) that is used in determining myocardial oxygen consumption. Myocardial oxygen consumption is of critical importance because decreased myocardial...
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7171251 |
Physiological stress detector device and system
A method, system and device for measurement of a blood constituent level, including a light source, a light detector proximate an organ surface, adjustable gain amplifiers, and a...
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7164938 |
Optical noninvasive vital sign monitor
An optical noninvasive vital sign monitor comprising a reflectance-type optical sensor within a pressurizable capsule retained by a headband, the capsule having an optically transparent or...
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7160252 |
Method and apparatus for detecting respiratory disturbances
A system and method for monitoring respiration including sensing a signal that varies with respiration, deriving a respiration parameter, applying criteria for detecting a respiration disturbance...
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7153278 |
Sleep apnea syndrome diagnosing device and signal analyzer, and methods thereof
A sleep apnea syndrome diagnosing device disclosed herein comprises: a snoring sound collector which collects snoring sound; a snoring sound holder which holds the collected snoring sound; a...
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7139599 |
Cepstral domain pulse oximetry
Processing of plethysmographic signals via the cepstral domain is provided. In one embodiment, a cepstral domain plethysmographic signal processing method ( 200 ) includes the steps of obtaining (...
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7130672 |
Apparatus and method for monitoring tissue vitality parameters
Apparatus for monitoring a plurality of tissue viability parameters of a tissue layer element, in which two different illumination sources are used via a common illumination element in contact with...
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7094207 |
System and method for diagnosing and tracking congestive heart failure based on the periodicity of cheyne-stokes respiration using an implantable medical device
Techniques are provided for distinguishing Cheyne-Stokes Respiration (CSR) caused by central sleep apnea (CSA) from CSR caused by congestive heart failure (CHF) and for evaluating the severity of...
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7079880 |
Blind source separation of pulse oximetry signals
A method and apparatus for the application of Blind Source Separation (BSS), specifically independent Component Analysis (ICA) to mixture signals obtained by a pulse oximeter sensor. In pulse...
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7072702 |
Method, apparatus and system for removing motion artifacts from measurements of bodily parameters
A method for removing motion artifacts from devices for sensing bodily parameters and apparatus and system for effecting same. The method includes analyzing segments of measured data representing...
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7025728 |
Method for reducing noise, and pulse photometer using the method
A living body is irradiated with a first light beam having a first wavelength and a second light beam having a second wavelength which is different from the first wavelength. The first light beam...
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7024234 |
Method and apparatus for monitoring the autonomic nervous system
An apparatus and method for detection and monitoring of autonomic nervous system (ANS) activity in humans, primarily in the field of sleep research. The present invention discloses a portable,...
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6963907 |
Internet device operation for medical testing
A method of operating an Internet device, includes downloading via the Internet a medical testing program from a server. At least one sensor is coupled to the Internet device. The sensor is...
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6945934 |
System and method for determining a reference baseline record for use in automated patient care
A system and method for determining a reference baseline record for use in automated patient care. One or more physiological measures are retrieved. Each of the measures relates to individual...
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6934570 |
Physiological sensor combination
A physiological sensor combination has a flexible substrate configured to attach to a tissue site. Multiple sensors are disposed on the substrate, which generate physiological signals. Each of the...
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6909912 |
Non-invasive perfusion monitor and system, specially configured oximeter probes, methods of using same, and covers for probes
The present invention relates to a novel non-invasive perfusion/resistance status monitor system and methods of using the same, and more specifically, a vascular perfusion status monitor system...
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6839581 |
Method for detecting Cheyne-Stokes respiration in patients with congestive heart failure
The present invention provides a diagnostic tool for detection of Cheyne-Stokes Respiration (CSR). This invention also provides a method for development of the diagnostic tool. The method comprises...
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6836679 |
Method and apparatus for estimating physiological parameters using model-based adaptive filtering
A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take...
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6810277 |
Method, apparatus and system for removing motion artifacts from measurements of bodily parameters
A method for removing motion artifacts from devices for sensing bodily parameters and apparatus and system for effecting same. The method includes analyzing segments of measured data representing...
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6805673 |
Monitoring mayer wave effects based on a photoplethysmographic signal
A photoplethysmographic instrument is used to obtain physiological parameter information related to low frequency heart rate and blood volume variability. In one implementation, a plethysmographic...
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6801798 |
Body-member-illuminating pressure cuff for use in optical noninvasive measurement of blood parameters
A member-illuminating cuff for measurement of systolic, mean and diastolic pressure, oxygen saturation, pulse and respiratory rate in small body members, comprising a hinged cuff housing, one or...
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6760608 |
Oximetry system for detecting ventilation instability
A system for detecting ventilation instability includes a pulse oximeter for generating a time series of oxygen saturation values and a processor programmed to detect the occurrence of patterns...
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6757555 |
Ophthalmologic apparatus
An ophthalmologic apparatus has a first light source for the measurement of a blood flow velocity by the Doppler shift method, and a second light source which differs in wavelength from the first...
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6709402 |
Apparatus and method for monitoring respiration with a pulse oximeter
An apparatus and method for monitoring a secondary physiological process through variations caused by the secondary process in an optical signal used to calculate values related to blood oxygen...
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